Zucchini Pasta With Creamy Yogurt And Caramelized Onions

Name: Zucchini Pasta With Creamy Yogurt And Caramelized Onions
Ingredients: 2 zucchinis, spiralized; 4 garlic cloves, minced; 2 yellow onions, sliced; 4 tablespoons extra-virgin olive oil, divided; sea salt and black pepper, to taste; pinch cinnamon; pinch nutmeg; pinch cumin; pinch cardamom; zest and juice of 1/2 a lemon; 1-1/2 cups full-fat, plain, grass-fed organic yogurt or kefir; 1 tablespoon chopped fresh mint; 1 tablespoon chopped fresh parsley; additional olive oil to drizzle on top